11344448967721 has 16 divisors (see below), whose sum is σ = 12649369829760. Its totient is φ = 10110852760320.

The previous prime is 11344448967713. The next prime is 11344448967781. The reversal of 11344448967721 is 12776984444311.

It is not a de Polignac number, because 11344448967721 - 2³ = 11344448967713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11344448967721.

It is not an unprimeable number, because it can be changed into a prime (11344448967781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6745381 + ... + 8257666.

It is an arithmetic number, because the mean of its divisors is an integer number (790585614360).

Almost surely, 2^{11344448967721} is an apocalyptic number.

It is an amenable number.

11344448967721 is a deficient number, since it is larger than the sum of its proper divisors (1304920862039).

11344448967721 is a wasteful number, since it uses less digits than its factorization.

11344448967721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005424.

The product of its digits is 32514048, while the sum is 61.

The spelling of 11344448967721 in words is "eleven trillion, three hundred forty-four billion, four hundred forty-eight million, nine hundred sixty-seven thousand, seven hundred twenty-one".